Diễn viên
Yves Massard
Inspector Louis Vignon
Jean-Paul Coquelin
Technician from South Tunisian
Philippe Olive
Journalist
René Blancard
Inspector Rentier
Pierre Duncan
Beefcake (uncredited)
Geneviève Morel
Lady in the cinema (uncredited)
Charles Vanel
Commissioner Perrache of the D.S.T.
Jacques Morel
Inspector Paul Duchamp
Marcelle Arnold
Lynda
Germaine de France
Mrs. Perrache
André Numès
Archivist
Grégoire Aslan
Inspector Ben Hamman
Jean Dréville
Commentator (uncredited)
Bob Ingarao
Radio technician (uncredited)
Anne Vernon
Lucette Vignon
Edmond Ardisson
Linda
René Havard
Technician from South Tunisian
Marc Arian
Spectator at the cinema (uncredited)
Julien Maffre
Monegasque policeman (uncredited)
Louis Viret
Jupiter, D.S.T. agent (uncredited)
Robert Porte
Koskah
Maurice Teynac
Kurt Topfer
Henri Crémieux
Saab Astérich